CVE-2022-49322

{"id": "CVE-2022-49322", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2025-02-26T07:01:09.030", "references": [{"url": "https://git.kernel.org/stable/c/12025abdc8539ed9d5014e2d647a3fd1bd3de5cd", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/1788e6dbb61286215442b1af99e51405a6206762", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/40f9fde06b25884baa0c4bd138b909a9b67218b4", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/43bfc4dccc416c964b53cbdc430e814f8b6f770b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/48c6ee7d6c614f09b2c8553a95eefef6ecf196e0", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9abf3db8bdb63ab545034148ef2118f4d088ca59", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9b534640a2c6a8d88168febc82ec6d161184f2ec", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/be1f323fb9d9b14a505ca22d742d321769454de1", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-667"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix sleeping function called from invalid context on RT kernel\n\nWhen setting bootparams=\"trace_event=initcall:initcall_start tp_printk=1\" in the\ncmdline, the output_printk() was called, and the spin_lock_irqsave() was called in the\natomic and irq disable interrupt context suitation. On the PREEMPT_RT kernel,\nthese locks are replaced with sleepable rt-spinlock, so the stack calltrace will\nbe triggered.\nFix it by raw_spin_lock_irqsave when PREEMPT_RT and \"trace_event=initcall:initcall_start\ntp_printk=1\" enabled.\n\n BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:46\n in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0\n preempt_count: 2, expected: 0\n RCU nest depth: 0, expected: 0\n Preemption disabled at:\n [<ffffffff8992303e>] try_to_wake_up+0x7e/0xba0\n CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.17.1-rt17+ #19 34c5812404187a875f32bee7977f7367f9679ea7\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-2 04/01/2014\n Call Trace:\n <TASK>\n dump_stack_lvl+0x60/0x8c\n dump_stack+0x10/0x12\n __might_resched.cold+0x11d/0x155\n rt_spin_lock+0x40/0x70\n trace_event_buffer_commit+0x2fa/0x4c0\n ? map_vsyscall+0x93/0x93\n trace_event_raw_event_initcall_start+0xbe/0x110\n ? perf_trace_initcall_finish+0x210/0x210\n ? probe_sched_wakeup+0x34/0x40\n ? ttwu_do_wakeup+0xda/0x310\n ? trace_hardirqs_on+0x35/0x170\n ? map_vsyscall+0x93/0x93\n do_one_initcall+0x217/0x3c0\n ? trace_event_raw_event_initcall_level+0x170/0x170\n ? push_cpu_stop+0x400/0x400\n ? cblist_init_generic+0x241/0x290\n kernel_init_freeable+0x1ac/0x347\n ? _raw_spin_unlock_irq+0x65/0x80\n ? rest_init+0xf0/0xf0\n kernel_init+0x1e/0x150\n ret_from_fork+0x22/0x30\n </TASK>"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Seguimiento: se corrige la funci\u00f3n inactiva llamada desde un contexto no v\u00e1lido en el kernel RT Al configurar bootparams=\"trace_event=initcall:initcall_start tp_printk=1\" en la l\u00ednea de comandos, se llam\u00f3 a output_printk() y a spin_lock_irqsave() en la adecuaci\u00f3n del contexto de interrupci\u00f3n at\u00f3mica y deshabilitada de irq. En el kernel PREEMPT_RT, estos bloqueos se reemplazan con rt-spinlock sleepable, por lo que se activar\u00e1 la llamada de pila trace. Corr\u00edjalo con raw_spin_lock_irqsave cuando PREEMPT_RT y \"trace_event=initcall:initcall_start tp_printk=1\" est\u00e9n habilitados. ERROR: funci\u00f3n de suspensi\u00f3n llamada desde un contexto no v\u00e1lido en kernel/locking/spinlock_rt.c:46 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0 preempt_count: 2, expected: 0 Profundidad de anidamiento de RCU: 0, expected: 0 Preempci\u00f3n deshabilitada en: [] try_to_wake_up+0x7e/0xba0 CPU: 0 PID: 1 Comm: swapper/0 No contaminado 5.17.1-rt17+ #19 34c5812404187a875f32bee7977f7367f9679ea7 Nombre del hardware: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-2 01/04/2014 Seguimiento de llamadas: dump_stack_lvl+0x60/0x8c dump_stack+0x10/0x12 __might_resched.cold+0x11d/0x155 rt_spin_lock+0x40/0x70 trace_event_buffer_commit+0x2fa/0x4c0 ? map_vsyscall+0x93/0x93 trace_event_raw_event_initcall_start+0xbe/0x110 ? perf_trace_initcall_finish+0x210/0x210 ? probe_sched_wakeup+0x34/0x40 ? ttwu_do_wakeup+0xda/0x310 ? trace_hardirqs_on+0x35/0x170 ? map_vsyscall+0x93/0x93 do_one_initcall+0x217/0x3c0 ? trace_event_raw_event_initcall_level+0x170/0x170 ? push_cpu_stop+0x400/0x400 ? cblist_init_generic+0x241/0x290 kernel_init_freeable+0x1ac/0x347 ? _raw_spin_unlock_irq+0x65/0x80 ? rest_init+0xf0/0xf0 kernel_init+0x1e/0x150 ret_from_fork+0x22/0x30 "}], "lastModified": "2025-04-14T19:45:44.123", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "42074657-A7B6-4740-88B7-67B440018C1C", "versionEndExcluding": "4.14.283"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B8CFA0F4-2D75-41F4-9753-87944A08B53B", "versionEndExcluding": "4.19.247", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3EC49633-14DE-4EBD-BB80-76AE2E3EABB9", "versionEndExcluding": "5.4.198", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1B42AA01-44D8-4572-95E6-FF8E374CF9C5", "versionEndExcluding": "5.10.122", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FC042EE3-4864-4325-BE0B-4BCDBF11AA61", "versionEndExcluding": "5.15.47", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "53E7AA2E-2FB4-45CA-A22B-08B4EDBB51AD", "versionEndExcluding": "5.17.15", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FA6D643C-6D6A-4821-8A8D-B5776B8F0103", "versionEndExcluding": "5.18.4", "versionStartIncluding": "5.18"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}